package com.hxci.pointmap.controller;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

@WebServlet("/logout")
public class LogoutServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        // 获取当前会话
        HttpSession session = req.getSession(false);

        // 如果会话存在，则销毁它
        if (session != null) {
            session.invalidate();
        }

        // 设置响应状态码为200表示成功
        resp.setStatus(HttpServletResponse.SC_OK);
    }
}
